At present,the market of crystal products can be divided into polysiloxane and polysilazane two broad categories.

※Polysiloxane: also known as silicone, is based on repeated Si-O health as the main chain, the silicon atom directly connected to the organic group of the polymer, the main chain structure of Si-O-Si, essentially the same as quartz , The difference is that the side groups attached to the organic groups, belonging to different polymerization degree chain structure polyorganosiloxane. Widely used in cosmetics, personal care products and automotive beauty and other fields.